XmlmmCIF equivalent: pdbx_database_PDB_obs_spr The PDBX_DATABASE_PDB_OBS_SPR category provides placeholders for information on obsolete/superseded PDB entries XmlmmCIF equivalent: pdbx_database_PDB_obs_spr/date The date of replacement. XmlmmCIF equivalent: pdbx_database_PDB_obs_spr/id Identifier for the type of obsolete entry to be added to this entry. EBI Item. Title for the superceded PDB entry XmlmmCIF equivalent: pdbx_database_PDB_obs_spr/pdb_id The new PDB identifier for the replaced entry. XmlmmCIF equivalent: pdbx_database_PDB_obs_spr/replace_pdb_id The PDB identifier for the replaced (OLD) entry.